Merge pull request #217 from Pouzor/chore/bump-2.5.1

chore: bump version to 2.5.1

VERSION

@@ -1 +1 @@
-2.5.0
+2.5.1

backend/requirements.txt

@@ -8,7 +8,7 @@ pydantic==2.9.2
 pydantic-settings==2.5.2
 python-jose[cryptography]==3.5.0
 bcrypt==4.2.1
-python-multipart==0.0.27
+python-multipart==0.0.31
 apscheduler==3.10.4
 python-nmap==0.7.1
 pyyaml==6.0.2

frontend/package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "frontend",
-  "version": "2.5.0",
+  "version": "2.5.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "frontend",
-      "version": "2.5.0",
+      "version": "2.5.1",
       "dependencies": {
         "@base-ui/react": "^1.2.0",
         "@dagrejs/dagre": "^2.0.4",
@@ -52,7 +52,7 @@
         "tailwindcss": "^4.2.1",
         "typescript": "~5.9.3",
         "typescript-eslint": "^8.48.0",
-        "vite": "^7.3.1",
+        "vite": "^7.3.5",
         "vitest": "^4.0.18"
       }
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@@ -1083,9 +1083,9 @@
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@@ -1100,9 +1100,9 @@
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     "node_modules/@esbuild/win32-ia32": {
-      "version": "0.27.7",
+      "version": "0.28.1",
-      "resolved": "https://registry.npmjs.org/@esbuild/win32-ia32/-/win32-ia32-0.27.7.tgz",
+      "resolved": "https://registry.npmjs.org/@esbuild/win32-ia32/-/win32-ia32-0.28.1.tgz",
-      "integrity": "sha512-SmwKXe6VHIyZYbBLJrhOoCJRB/Z1tckzmgTLfFYOfpMAx63BJEaL9ExI8x7v0oAO3Zh6D/Oi1gVxEYr5oUCFhw==",
+      "integrity": "sha512-zvb/mB2bSCoJOpoCBgYKKpX6YM6mJBlBUVUtVj41DlZJVEB6/0CKlRYxP5wWl1C1ILiCoAU5wZZ4q1P3qeS6Eg==",
       "cpu": [
         "ia32"
       ],
@@ -1389,9 +1389,9 @@
       }
     },
     "node_modules/@esbuild/win32-x64": {
-      "version": "0.27.7",
+      "version": "0.28.1",
-      "resolved": "https://registry.npmjs.org/@esbuild/win32-x64/-/win32-x64-0.27.7.tgz",
+      "resolved": "https://registry.npmjs.org/@esbuild/win32-x64/-/win32-x64-0.28.1.tgz",
-      "integrity": "sha512-56hiAJPhwQ1R4i+21FVF7V8kSD5zZTdHcVuRFMW0hn753vVfQN8xlx4uOPT4xoGH0Z/oVATuR82AiqSTDIpaHg==",
+      "integrity": "sha512-bm4Mowrv+GXMlpWX++EcXw/iLyd1o3+bJkC2DkWXYVvgZCqD/bSj9ctZeAMC3cIxgjRVR2Dufaiu4YPxr5gW1A==",
       "cpu": [
         "x64"
       ],
@@ -5216,9 +5216,9 @@
       }
     },
     "node_modules/esbuild": {
-      "version": "0.27.7",
+      "version": "0.28.1",
-      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.27.7.tgz",
+      "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.28.1.tgz",
-      "integrity": "sha512-IxpibTjyVnmrIQo5aqNpCgoACA/dTKLTlhMHihVHhdkxKyPO1uBBthumT0rdHmcsk9uMonIWS0m4FljWzILh3w==",
+      "integrity": "sha512-HrJrvZv5ayxBzPfwphOoNzkzOIIlifzk0KJrGK2c8R4+LKpMtpYLQeUdjnwjWv/LZlkH2laZk+4w78pi99D4Vw==",
       "dev": true,
       "hasInstallScript": true,
       "license": "MIT",
@@ -5229,32 +5229,32 @@
         "node": ">=18"
       },
       "optionalDependencies": {
-        "@esbuild/aix-ppc64": "0.27.7",
+        "@esbuild/aix-ppc64": "0.28.1",
-        "@esbuild/android-arm": "0.27.7",
+        "@esbuild/android-arm": "0.28.1",
-        "@esbuild/android-arm64": "0.27.7",
+        "@esbuild/android-arm64": "0.28.1",
-        "@esbuild/android-x64": "0.27.7",
+        "@esbuild/android-x64": "0.28.1",
-        "@esbuild/darwin-arm64": "0.27.7",
+        "@esbuild/darwin-arm64": "0.28.1",
-        "@esbuild/darwin-x64": "0.27.7",
+        "@esbuild/darwin-x64": "0.28.1",
-        "@esbuild/freebsd-arm64": "0.27.7",
+        "@esbuild/freebsd-arm64": "0.28.1",
-        "@esbuild/freebsd-x64": "0.27.7",
+        "@esbuild/freebsd-x64": "0.28.1",
-        "@esbuild/linux-arm": "0.27.7",
+        "@esbuild/linux-arm": "0.28.1",
-        "@esbuild/linux-arm64": "0.27.7",
+        "@esbuild/linux-arm64": "0.28.1",
-        "@esbuild/linux-ia32": "0.27.7",
+        "@esbuild/linux-ia32": "0.28.1",
-        "@esbuild/linux-loong64": "0.27.7",
+        "@esbuild/linux-loong64": "0.28.1",
-        "@esbuild/linux-mips64el": "0.27.7",
+        "@esbuild/linux-mips64el": "0.28.1",
-        "@esbuild/linux-ppc64": "0.27.7",
+        "@esbuild/linux-ppc64": "0.28.1",
-        "@esbuild/linux-riscv64": "0.27.7",
+        "@esbuild/linux-riscv64": "0.28.1",
-        "@esbuild/linux-s390x": "0.27.7",
+        "@esbuild/linux-s390x": "0.28.1",
-        "@esbuild/linux-x64": "0.27.7",
+        "@esbuild/linux-x64": "0.28.1",
-        "@esbuild/netbsd-arm64": "0.27.7",
+        "@esbuild/netbsd-arm64": "0.28.1",
-        "@esbuild/netbsd-x64": "0.27.7",
+        "@esbuild/netbsd-x64": "0.28.1",
-        "@esbuild/openbsd-arm64": "0.27.7",
+        "@esbuild/openbsd-arm64": "0.28.1",
-        "@esbuild/openbsd-x64": "0.27.7",
+        "@esbuild/openbsd-x64": "0.28.1",
-        "@esbuild/openharmony-arm64": "0.27.7",
+        "@esbuild/openharmony-arm64": "0.28.1",
-        "@esbuild/sunos-x64": "0.27.7",
+        "@esbuild/sunos-x64": "0.28.1",
-        "@esbuild/win32-arm64": "0.27.7",
+        "@esbuild/win32-arm64": "0.28.1",
-        "@esbuild/win32-ia32": "0.27.7",
+        "@esbuild/win32-ia32": "0.28.1",
-        "@esbuild/win32-x64": "0.27.7"
+        "@esbuild/win32-x64": "0.28.1"
       }
     },
     "node_modules/escalade": {
@@ -5877,16 +5877,16 @@
       }
     },
     "node_modules/form-data": {
-      "version": "4.0.5",
+      "version": "4.0.6",
-      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.5.tgz",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.6.tgz",
-      "integrity": "sha512-8RipRLol37bNs2bhoV67fiTEvdTrbMUYcFTiy3+wuuOnUog2QBHCZWXDRijWQfAkhBj2Uf5UnVaiWwA5vdd82w==",
+      "integrity": "sha512-vKatAh4SlVfgbv+YtmhiRjhEMJsYpsG1Y2rMQtR+SVSbytsSD1YGzDIcrAJmdFec88u/+VoGmxnl+80gL1tRCQ==",
       "license": "MIT",
       "dependencies": {
         "asynckit": "^0.4.0",
         "combined-stream": "^1.0.8",
         "es-set-tostringtag": "^2.1.0",
-        "hasown": "^2.0.2",
+        "hasown": "^2.0.4",
-        "mime-types": "^2.1.12"
+        "mime-types": "^2.1.35"
       },
       "engines": {
         "node": ">= 6"
@@ -6161,9 +6161,9 @@
       }
     },
     "node_modules/hasown": {
-      "version": "2.0.2",
+      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.2.tgz",
+      "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.4.tgz",
-      "integrity": "sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==",
+      "integrity": "sha512-T2UbfbBEF32wiepXIsMlTW9+dDYC6wMh/t/vYA4tuOMKqWz/n3vr1NFSxQiyP+zk2mXsoMA/i/7qV6LKut1t1A==",
       "license": "MIT",
       "dependencies": {
         "function-bind": "^1.1.2"
@@ -9267,9 +9267,9 @@
       }
     },
     "node_modules/vite": {
-      "version": "7.3.2",
+      "version": "7.3.5",
-      "resolved": "https://registry.npmjs.org/vite/-/vite-7.3.2.tgz",
+      "resolved": "https://registry.npmjs.org/vite/-/vite-7.3.5.tgz",
-      "integrity": "sha512-Bby3NOsna2jsjfLVOHKes8sGwgl4TT0E6vvpYgnAYDIF/tie7MRaFthmKuHx1NSXjiTueXH3do80FMQgvEktRg==",
+      "integrity": "sha512-KuOaNhcnGFN2zIPGA7wRmzF+lJA1sea7rHq17aiJ++9lzY1WWG6Jpwqwe1KNbRVPIqHmr8GLYx7jbrQcN/7/ww==",
       "dev": true,
       "license": "MIT",
       "dependencies": {

frontend/package.json

@@ -1,7 +1,7 @@
 {
   "name": "frontend",
   "private": true,
-  "version": "2.5.0",
+  "version": "2.5.1",
   "type": "module",
   "scripts": {
     "dev": "vite",
@@ -38,7 +38,9 @@
     "zustand": "^5.0.11"
   },
   "overrides": {
-    "hono": "^4.12.21"
+    "hono": "^4.12.21",
+    "esbuild": "^0.28.1",
+    "form-data": "^4.0.6"
   },
   "devDependencies": {
     "@eslint/js": "^9.39.1",
@@ -61,7 +63,7 @@
     "tailwindcss": "^4.2.1",
     "typescript": "~5.9.3",
     "typescript-eslint": "^8.48.0",
-    "vite": "^7.3.1",
+    "vite": "^7.3.5",
     "vitest": "^4.0.18"
   }
 }

frontend/src/App.tsx

@@ -245,9 +245,16 @@ export default function App() {
     const id = generateUUID()
     const isContainerNode = data.container_mode === true
     const parentNode = data.parent_id ? nodes.find((n) => n.id === data.parent_id) : null
-    // Children position is relative to parent; place near top-left with padding
+    // Only nest when the parent is an actual container. For a non-container
-    const position = parentNode
+    // parent the LXC/VM stays a free node (linked by a virtual edge) — setting
-      ? { x: 20, y: 50 }
+    // extent:'parent' on a non-container would trap it inside the parent's tiny
+    // bounding box with no way to drag it out (issue #205 follow-up).
+    const nestInParent = !!parentNode?.data.container_mode
+    // Seed an ABSOLUTE position near the container's top-left; addNode converts
+    // it to container-relative. addNode is the single authority for parentId /
+    // extent, so we don't set them here.
+    const position = nestInParent && parentNode
+      ? { x: parentNode.position.x + 20, y: parentNode.position.y + 50 }
       : { x: 300, y: 300 }
 
     const newNode: Node<NodeData> = {
@@ -255,7 +262,6 @@ export default function App() {
       type: data.type ?? 'generic',
       position,
       data: { status: 'unknown', services: [], ...data } as NodeData,
-      ...(data.parent_id ? { parentId: data.parent_id, extent: 'parent' as const } : {}),
       ...(isContainerNode ? { width: 300, height: 200 } : {}),
     }
     addNode(newNode)

frontend/src/components/panels/DetailPanel.tsx

@@ -21,7 +21,7 @@ type PropForm = { key: string; value: string; icon: string | null; visible: bool
 const EMPTY_PROP: PropForm = { key: '', value: '', icon: null, visible: true }
 
 export function DetailPanel({ onEdit }: DetailPanelProps) {
-  const { nodes, selectedNodeId, selectedNodeIds, setSelectedNode, deleteNode, updateNode, snapshotHistory, createGroup, ungroup, removeFromGroup } = useCanvasStore()
+  const { nodes, selectedNodeId, selectedNodeIds, setSelectedNode, deleteNode, updateNode, snapshotHistory, createGroup, ungroup, removeFromGroup, setNodeSize } = useCanvasStore()
   const serviceStatuses = useCanvasStore((s) => s.serviceStatuses)
 
   const [addingForNode, setAddingForNode] = useState<string | null>(null)
@@ -255,6 +255,13 @@ export function DetailPanel({ onEdit }: DetailPanelProps) {
         {data.last_seen && <DetailRow label="Last Seen" value={new Date(/[Zz]|[+-]\d{2}:?\d{2}$/.test(data.last_seen) ? data.last_seen : data.last_seen + 'Z').toLocaleString()} />}
       </div>
 
+      {/* Size section — manual width/height entry for pixel-exact sizing */}
+      <SizeFields
+        key={node.id}
+        node={node}
+        onCommit={(size) => { snapshotHistory(); setNodeSize(node.id, size) }}
+      />
+
       {/* Properties section */}
       <div className="px-4 py-3 border-t border-border">
         <div className="flex items-center justify-between mb-2">
@@ -345,6 +352,79 @@ export function DetailPanel({ onEdit }: DetailPanelProps) {
   )
 }
 
+// --- Size fields (manual width/height entry) ---
+
+const round = (v: number | undefined): string => (v != null ? String(Math.round(v)) : '')
+
+function SizeFields({ node, onCommit }: { node: Node<NodeData>; onCommit: (size: { width?: number; height?: number }) => void }) {
+  // Live size from the explicit dimension, falling back to the DOM-measured
+  // size so the field shows the node's current footprint even before resize.
+  const liveWidth = round(node.width ?? node.measured?.width)
+  const liveHeight = round(node.height ?? node.measured?.height)
+  const [width, setWidth] = useState(liveWidth)
+  const [height, setHeight] = useState(liveHeight)
+
+  // Resync the fields when the node is resized by dragging its corner handle
+  // (which mutates node.width/height in the store). Adjusting state during
+  // render — the React-blessed alternative to an effect — keeps it in step
+  // without cascading renders. The field the user is actively editing is left
+  // alone so we don't clobber their keystrokes mid-type.
+  const [editing, setEditing] = useState<'width' | 'height' | null>(null)
+  const [prev, setPrev] = useState({ w: liveWidth, h: liveHeight })
+  if (prev.w !== liveWidth || prev.h !== liveHeight) {
+    setPrev({ w: liveWidth, h: liveHeight })
+    if (editing !== 'width') setWidth(liveWidth)
+    if (editing !== 'height') setHeight(liveHeight)
+  }
+
+  const commit = (raw: string, axis: 'width' | 'height') => {
+    const n = Number(raw)
+    if (!raw.trim() || Number.isNaN(n) || n <= 0) {
+      // Reset the field to the live value on invalid input — no mutation.
+      if (axis === 'width') setWidth(round(node.width ?? node.measured?.width))
+      else setHeight(round(node.height ?? node.measured?.height))
+      return
+    }
+    onCommit({ [axis]: n })
+  }
+
+  return (
+    <div className="px-4 py-3 border-t border-border">
+      <span className="text-xs text-muted-foreground">Size</span>
+      <div className="mt-2 flex items-center gap-2">
+        <label className="flex flex-1 items-center gap-1.5">
+          <span className="text-[10px] text-muted-foreground/70 w-3">W</span>
+          <Input
+            type="number"
+            min={140}
+            aria-label="Width"
+            value={width}
+            onFocus={() => setEditing('width')}
+            onChange={(e) => setWidth(e.target.value)}
+            onBlur={() => { setEditing(null); commit(width, 'width') }}
+            onKeyDown={(e) => { if (e.key === 'Enter') e.currentTarget.blur() }}
+            className="h-7 text-xs font-mono"
+          />
+        </label>
+        <label className="flex flex-1 items-center gap-1.5">
+          <span className="text-[10px] text-muted-foreground/70 w-3">H</span>
+          <Input
+            type="number"
+            min={50}
+            aria-label="Height"
+            value={height}
+            onFocus={() => setEditing('height')}
+            onChange={(e) => setHeight(e.target.value)}
+            onBlur={() => { setEditing(null); commit(height, 'height') }}
+            onKeyDown={(e) => { if (e.key === 'Enter') e.currentTarget.blur() }}
+            className="h-7 text-xs font-mono"
+          />
+        </label>
+      </div>
+    </div>
+  )
+}
+
 // --- Multi-select panel ---
 
 interface MultiSelectPanelProps {

frontend/src/components/panels/__tests__/DetailPanel.test.tsx

@@ -36,6 +36,7 @@ function setupStore(nodeData: Partial<NodeData> = {}, serviceStatuses: Record<st
     snapshotHistory: vi.fn(),
     createGroup: vi.fn(),
     ungroup: vi.fn(),
+    setNodeSize: vi.fn(),
     serviceStatuses,
   }
   // Support both the bare destructure call and the selector-based call.
@@ -571,4 +572,69 @@ describe('DetailPanel', () => {
       expect(row?.textContent).not.toMatch(/Invalid Date/)
     })
   })
+
+  describe('Size section', () => {
+    function setupSized(node: Partial<Node<NodeData>>, setNodeSize = vi.fn()) {
+      const state = {
+        nodes: [{ ...makeNode({}), ...node }],
+        selectedNodeId: 'n1',
+        selectedNodeIds: [],
+        setSelectedNode: vi.fn(),
+        deleteNode: vi.fn(),
+        updateNode: vi.fn(),
+        snapshotHistory: vi.fn(),
+        createGroup: vi.fn(),
+        ungroup: vi.fn(),
+        setNodeSize,
+        serviceStatuses: {},
+      }
+      vi.mocked(canvasStore.useCanvasStore).mockImplementation(
+        ((sel?: (s: typeof state) => unknown) => (sel ? sel(state) : state)) as unknown as typeof canvasStore.useCanvasStore,
+      )
+      return setNodeSize
+    }
+
+    it('shows the current width/height, preferring explicit over measured', () => {
+      setupSized({ width: 220, height: 130, measured: { width: 999, height: 999 } })
+      render(<DetailPanel onEdit={vi.fn()} />)
+      expect((screen.getByLabelText('Width') as HTMLInputElement).value).toBe('220')
+      expect((screen.getByLabelText('Height') as HTMLInputElement).value).toBe('130')
+    })
+
+    it('falls back to the measured size before a resize', () => {
+      setupSized({ measured: { width: 187, height: 73 } })
+      render(<DetailPanel onEdit={vi.fn()} />)
+      expect((screen.getByLabelText('Width') as HTMLInputElement).value).toBe('187')
+      expect((screen.getByLabelText('Height') as HTMLInputElement).value).toBe('73')
+    })
+
+    it('commits a manual width on blur', () => {
+      const setNodeSize = setupSized({ width: 200, height: 100 })
+      render(<DetailPanel onEdit={vi.fn()} />)
+      const w = screen.getByLabelText('Width')
+      fireEvent.change(w, { target: { value: '260' } })
+      fireEvent.blur(w)
+      expect(setNodeSize).toHaveBeenCalledWith('n1', { width: 260 })
+    })
+
+    it('reverts invalid input without committing', () => {
+      const setNodeSize = setupSized({ width: 200, height: 100 })
+      render(<DetailPanel onEdit={vi.fn()} />)
+      const w = screen.getByLabelText('Width') as HTMLInputElement
+      fireEvent.change(w, { target: { value: 'abc' } })
+      fireEvent.blur(w)
+      expect(setNodeSize).not.toHaveBeenCalled()
+      expect(w.value).toBe('200')
+    })
+
+    it('resyncs the field when the node is resized by corner drag', () => {
+      setupSized({ width: 200, height: 100 })
+      const { rerender } = render(<DetailPanel onEdit={vi.fn()} />)
+      expect((screen.getByLabelText('Width') as HTMLInputElement).value).toBe('200')
+      // Simulate a corner-drag resize updating the store dimension.
+      setupSized({ width: 340, height: 100 })
+      rerender(<DetailPanel onEdit={vi.fn()} />)
+      expect((screen.getByLabelText('Width') as HTMLInputElement).value).toBe('340')
+    })
+  })
 })

frontend/src/stores/__tests__/canvasStore.test.ts

@@ -150,6 +150,23 @@ describe('canvasStore', () => {
     expect(nested?.extent).toBe('parent')
   })
 
+  it('addNode strips parentId/extent when the parent is not a container', () => {
+    // Regression: a stray extent:'parent' on a non-container parent traps the
+    // node in the parent's tiny box with no way to drag it out (issue #205).
+    const parent = { ...makeNode('p1', { container_mode: false }), position: { x: 100, y: 100 } }
+    useCanvasStore.getState().addNode(parent)
+    const trapped: Node<NodeData> = {
+      ...makeNode('c1', { parent_id: 'p1' }),
+      position: { x: 150, y: 180 },
+      parentId: 'p1',
+      extent: 'parent',
+    }
+    useCanvasStore.getState().addNode(trapped)
+    const child = useCanvasStore.getState().nodes.find((n) => n.id === 'c1')
+    expect(child?.parentId).toBeUndefined()
+    expect(child?.extent).toBeUndefined()
+  })
+
   it('docker_container nests under docker_host with container_mode on', () => {
     const host = { ...makeNode('dh1', { type: 'docker_host', container_mode: true }), position: { x: 100, y: 100 } }
     const container = { ...makeNode('dc1', { type: 'docker_container' }), position: { x: 160, y: 180 } }
@@ -1263,4 +1280,29 @@ describe('canvasStore — custom style apply', () => {
     expect(e.data?.custom_color).toBe('#aabbcc')
     expect(useCanvasStore.getState().hasUnsavedChanges).toBe(true)
   })
+
+  it('setNodeSize sets explicit width/height and marks unsaved', () => {
+    useCanvasStore.setState({ nodes: [makeNode('n1')], hasUnsavedChanges: false })
+    useCanvasStore.getState().setNodeSize('n1', { width: 220, height: 130 })
+    const n = useCanvasStore.getState().nodes.find((x) => x.id === 'n1')!
+    expect(n.width).toBe(220)
+    expect(n.height).toBe(130)
+    expect(useCanvasStore.getState().hasUnsavedChanges).toBe(true)
+  })
+
+  it('setNodeSize clamps below the minimum box', () => {
+    useCanvasStore.setState({ nodes: [makeNode('n1')] })
+    useCanvasStore.getState().setNodeSize('n1', { width: 10, height: 10 })
+    const n = useCanvasStore.getState().nodes.find((x) => x.id === 'n1')!
+    expect(n.width).toBe(140)
+    expect(n.height).toBe(50)
+  })
+
+  it('setNodeSize updates only the provided axis', () => {
+    useCanvasStore.setState({ nodes: [{ ...makeNode('n1'), width: 200, height: 100 }] })
+    useCanvasStore.getState().setNodeSize('n1', { width: 300 })
+    const n = useCanvasStore.getState().nodes.find((x) => x.id === 'n1')!
+    expect(n.width).toBe(300)
+    expect(n.height).toBe(100)
+  })
 })

frontend/src/stores/canvasStore.ts

@@ -61,6 +61,7 @@ interface CanvasState {
   deleteEdge: (id: string) => void
   setProxmoxContainerMode: (proxmoxId: string, enabled: boolean) => void
   setNodeZIndex: (id: string, zIndex: number) => void
+  setNodeSize: (id: string, size: { width?: number; height?: number }) => void
   editingGroupRectId: string | null
   setEditingGroupRectId: (id: string | null) => void
   editingTextId: string | null
@@ -288,7 +289,9 @@ export const useCanvasStore = create<CanvasState>((set) => ({
               y: Math.max(10, node.position.y - parent.position.y),
             },
           }
-        : node
+        // Not nesting: strip any parentId/extent a caller may have set so a
+        // non-container parent can't trap the node in its bounding box.
+        : { ...node, parentId: undefined, extent: undefined }
       // Parents must come before children in the array (React Flow requirement)
       const withoutNew = state.nodes.filter((n) => n.id !== node.id)
       if (enriched.parentId) {
@@ -466,6 +469,22 @@ export const useCanvasStore = create<CanvasState>((set) => ({
       hasUnsavedChanges: true,
     })),
 
+  // Manual width/height entry. Lets the user type an exact size instead of
+  // dragging the resize handle (which lands on fractional content-fit pixels).
+  // A clamp matches the NodeResizer minimums so the box can't collapse.
+  setNodeSize: (id, size) =>
+    set((state) => ({
+      nodes: state.nodes.map((n) => {
+        if (n.id !== id) return n
+        return {
+          ...n,
+          ...(size.width != null ? { width: Math.max(140, size.width) } : {}),
+          ...(size.height != null ? { height: Math.max(50, size.height) } : {}),
+        }
+      }),
+      hasUnsavedChanges: true,
+    })),
+
   setEditingGroupRectId: (id) => set({ editingGroupRectId: id }),
 
   setEditingTextId: (id) => set({ editingTextId: id }),

frontend/src/utils/__tests__/canvasSerializer.test.ts

@@ -102,6 +102,20 @@ describe('serializeNode — regular node', () => {
     expect(result.height).toBeNull()
   })
 
+  it('prefers explicit width/height over the measured (content-fit) value', () => {
+    const node: Node<NodeData> = { ...makeRfNode({ width: 200, height: 100 }), measured: { width: 187, height: 73 } }
+    const result = serializeNode(node)
+    expect(result.width).toBe(200)
+    expect(result.height).toBe(100)
+  })
+
+  it('falls back to measured when no explicit dimension is set', () => {
+    const node: Node<NodeData> = { ...makeRfNode(), measured: { width: 187, height: 73 } }
+    const result = serializeNode(node)
+    expect(result.width).toBe(187)
+    expect(result.height).toBe(73)
+  })
+
   it('serializes hardware fields', () => {
     const node = makeRfNode({
       data: {
@@ -162,13 +176,14 @@ describe('serializeNode — groupRect', () => {
     expect((result.custom_colors as Record<string, unknown>).height).toBe(250)
   })
 
-  it('falls back to measured dimensions over explicit width/height', () => {
+  it('prefers explicit width/height over measured, falling back to measured per-axis', () => {
     const node: Node<NodeData> = {
       ...makeRfNode({ type: 'groupRect', data: { label: 'Z', type: 'groupRect', status: 'unknown', services: [] }, width: 400 }),
       measured: { width: 420, height: 260 },
     }
     const result = serializeNode(node)
-    expect((result.custom_colors as Record<string, unknown>).width).toBe(420)
+    // Explicit width wins; height has no explicit value so it uses measured.
+    expect((result.custom_colors as Record<string, unknown>).width).toBe(400)
     expect((result.custom_colors as Record<string, unknown>).height).toBe(260)
   })
 
@@ -323,6 +338,21 @@ describe('deserializeApiNode — regular node', () => {
     expect(result.width).toBeUndefined()
     expect(result.height).toBeUndefined()
   })
+
+  // Regression: issue #205 — a leaf vm/lxc nested in a container would lose its
+  // saved size on reload because the restore branch excluded those types.
+  it.each(['vm', 'lxc', 'docker_host'] as const)(
+    'restores saved width/height for a leaf %s node (container_mode false)',
+    (type) => {
+      const map = new Map([['px1', true]])
+      const result = deserializeApiNode(
+        makeApiNode({ type, container_mode: false, parent_id: 'px1', width: 240, height: 90 }),
+        map,
+      )
+      expect(result.width).toBe(240)
+      expect(result.height).toBe(90)
+    },
+  )
 })
 
 // ── deserializeApiNode — groupRect ────────────────────────────────────────────

frontend/src/utils/canvasSerializer.ts

@@ -75,8 +75,8 @@ export function serializeNode(n: Node<NodeData>): Record<string, unknown> {
       pos_y: n.position.y,
       custom_colors: {
         ...n.data.custom_colors,
-        width: n.measured?.width ?? n.width ?? 360,
+        width: n.width ?? n.measured?.width ?? 360,
-        height: n.measured?.height ?? n.height ?? 240,
+        height: n.height ?? n.measured?.height ?? 240,
         // Stash collapse state inside custom_colors so the API/YAML blob does
         // not need a new column. Hoisted back to `data.collapsed` on load.
         collapsed: n.data.collapsed ?? false,
@@ -112,8 +112,11 @@ export function serializeNode(n: Node<NodeData>): Record<string, unknown> {
     disk_gb: n.data.disk_gb ?? null,
     show_hardware: n.data.show_hardware ?? false,
     properties: n.data.properties ?? [],
-    width: n.measured?.width ?? n.width ?? null,
+    // Prefer the explicit (resized) dimension over the DOM-measured one so a
-    height: n.measured?.height ?? n.height ?? null,
+    // manual resize persists its exact target instead of drifting to the
+    // fractional content-fit value.
+    width: n.width ?? n.measured?.width ?? null,
+    height: n.height ?? n.measured?.height ?? null,
     bottom_handles: clampBottomHandles(n.data.bottom_handles ?? 1),
     show_port_numbers: n.data.show_port_numbers ?? false,
     pos_x: n.position.x,
@@ -179,11 +182,17 @@ export function deserializeApiNode(
       collapsed: Boolean(n.custom_colors?.collapsed),
     } as unknown as NodeData,
     ...(n.parent_id && parentIsContainer ? { parentId: n.parent_id, extent: 'parent' as const } : {}),
+    // Container hosts (Proxmox/VM/LXC/docker in container_mode) get a default
+    // box if none was saved. Every other node — including LEAF vm/lxc/docker
+    // nodes nested inside a container — restores its own saved width/height.
+    // Gating on container_mode (not type) is what keeps a resized nested node
+    // from snapping back to content-fit on reload.
     ...(['proxmox', 'vm', 'lxc', 'docker_host'].includes(normalizedType) && n.container_mode !== false
       ? { width: n.width ?? 300, height: n.height ?? 200 }
-      : {}),
+      : {
-    ...(n.width && !['proxmox', 'vm', 'lxc', 'docker_host'].includes(normalizedType) ? { width: n.width } : {}),
+          ...(n.width ? { width: n.width } : {}),
-    ...(n.height && !['proxmox', 'vm', 'lxc', 'docker_host'].includes(normalizedType) ? { height: n.height } : {}),
+          ...(n.height ? { height: n.height } : {}),
+        }),
   }
 }